[Bluetooth Karaoke Machine with Microphone] Bluetooth karaoke machine with microphone, adjustable vocal/echo effect/music volume separately, support Bluetooth 5.0 compatible with Android IOS smartphone, PC, laptop and other music APP, fast and stable connection. The wireless microphone automatically connects to the speaker when switched on and has a range of up to 32 feet. Can be used as a karaoke machine and a regular speaking microphone, supports TF memory with MP3 songs. [Portable Karaoke Machine] Portable karaoke machine for kids and adults, lightweight size, 2.95*3.34*2.55 inches, weighing only 455 grams, kids can easily lift and take it anywhere. And with high quality powerful sound, giving you and your kids a wonderful live KTV sound environment. There are also dynamic LED lights for lively playback, making it ideal for KTV/parties/meetings/outdoor events. Sing, practice, play music, listen to songs as long as you want. 4 modes mini karaoke machine:Mini karaoke machine with 4 magical sounds, cute appearance and easy operation, interesting and fun for kids. The kids karaoke machine is equipped with a powerful audio driver and advanced digital signal processor for clearer sound, avoiding annoying microphone feedback.The LED light pulsates to the rhythm of the music, kids will love the light that dances freely with the sound. [Long Playtime - Children's Toys]. The built-in rechargeable battery in this children's karaoke machine will work for 5-10 hours on a full charge. Let you and your child enjoy karaoke, play music and sing your favourite songs without interruption. Perfect for birthdays, Christmas, parties, family fun and other outdoor events. This karaoke machine can be used as a karaoke system, music player, microphone speaker etc. (You can also use the speaker without a microphone). Perfect gift for kids: This karaoke machine is a must-have toy for family entertainment, perfect for parties and birthdays, encouraging everyone to join in and sing along. With its charming LED design and kids' favourite colours, it is the perfect gift for young singers who are keen to sing, suitable for 3 years old. 4, 5, 6, 7, 8, 9, 10, 11, 12 year old girls boys teenagers toddlers. A gentle reminder: For information on how to adjust the echo, first switch to reverb mode by double-clicking the microphone button (with the microphone icon), then press the + - buttons to freely adjust the reverb/echo volume. (Note: Microphone heads that are too close to the speaker will make a sharp, strange sound, which is common with acoustic feedback, so try to avoid having the microphone head too close to the speaker).